Home / 3,610.15-5,389.10-3,172.75

Finding the Fourth Proportional to 3,610.15, 5,389.10 and 3,172.75

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Solution

The fourth proportional to 3,610.15, 5,389.10 and 3,172.75 is: 4,736.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.15 : 5,389.10 = 3,172.75 : x
  2. Step 2: Convert to fraction form
    3,610.15/5,389.10 = 3,172.75/x
  3. Step 3: Cross multiply
    3,610.15x = 5,389.10 × 3,172.75
  4. Step 4: Simplify right side
    3,610.15x = 17,098,267.03
  5. Step 5: Solve for x
    x = 17,098,267.03/3,610.15
  6. Step 6: Final answer
    x = 4,736.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.